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This job expired on 17/08/2026. It no longer accepts applications.
Python & Java Backend Developer
act digital · Lisbonne
Job description
About the role
We are looking for a skilled Backend Developer proficient in both Python and Java to maintain and evolve a mature production application. The role involves collaborating with cross‑functional teams to deliver high‑quality software while ensuring stability of existing services.
Key responsibilities
- Refactor, optimise and develop new features for a Python‑based and Java‑based backend application.
- Promote clean‑code practices, code reviews and adoption of modern development techniques.
- Design, implement and maintain RESTful APIs and event‑driven services.
- Participate in continuous integration and delivery pipelines using tools such as Jenkins, GitLab and SonarQube.
- Manage dependencies with Maven or Gradle and operate in Linux/Unix environments.
- Collaborate with other teams to identify improvement areas, provide technical guidance and translate stakeholder needs into actionable specifications.
Required profile
- Strong experience in backend development with Python and Java.
- Good understanding of service‑oriented architectures and REST APIs.
- Familiarity with CI/CD workflows and Linux/Unix systems.
- Ability to work autonomously, organise daily tasks and communicate effectively in English.
Required skills
- Python
- Java
- Spring framework
- REST APIs
- Jenkins
- GitLab
- SonarQube
- Maven
- Gradle
- Linux / Unix
- Jasmine
- Cucumber
- Selenium
- JUnit
- JMeter
- Oracle DB
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act digital
Lisbonne